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- Which statement about the taxonomic classification system is correct? a. There are more domains than kingdoms. b. Kingdoms are the top category of classification. c. A phylum may be represented in more than one kingdom. d. Species are the most specific category of classification.Photosynthesis carried out by one group of ________ resulted in Earths first increase in atmospheric oxygen levels. a. archaea c. protists b. bacteria d. algaeThe first forms of life on Earth were thought to be_____. a. single-celled plants b. prokaryotes c. insects d. large animals such as dinosaurs
- Which group of organisms is most closely related to the kingdomFungi?a. the animal kingdom b. the green algaec. the land plants d. the bacteria e. the archaeaWhich kingdom includes mushrooms and molds? O A. Fungi O B. Bacteria C. Plantae O D. ProtistaWhich of these steps probably occurred first in the chemical andbiological evolution of life?a. The cell membrane of a protobiont formed.b. The first organic molecules formed.c. The original genetic material was RNA.d. Simple organic monomers formed from inorganic materials.
- You have observed worms in rotten meat. You are interested of studying the origin of worms in the rotten meat (if meat generated the worms when rotting). Create a hypothesis to analyze the problem.Question 45 Time left 1: The only kingdom which grows from embryonic layers is Animalia Select one: Not yet answered O True Marked out of O False 1.00 P Flag question Question 46 Oman has many different types of habitats and itis therefore said to have a high degree of what? Select one: Not yet answered O a. Genetic diversity Marked out of O b. Biodiversity 1.00 O C. Habitat diversity P Flag question O d. City diversity O e Species richness A DNA molecule is a specific sequence of Question 47 Not yet Answer: answered Marked out of hpLook at organisms B and C. They share three common ancestors, X, A, and Z. How many common ancestors do organisms D and B share?A. 1B. 2C. 3
- Figure 1.8 Which of the following statements is false? A. Tissues exist within organs which exist within organ systems. B. Communities exist within populations which exist within ecosystems. C. Organelles exist within cells which exist within tissues. D. Communities exist within ecosystems which exist in the biosphere.What event is thought to have contributed to the evolution of eukaryotes? a. global warming b. glaciation c. volcanic activity d. oxygenation of the atmosphereA rise in oxygen in Earths air and seas set the stage for the evolution of _______. a. aerobic respiration c. photosynthesis b. fermentation d. sexual reproduction